<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <link href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/3.4.1/css/bootstrap.min.css" rel="stylesheet">
</head>

<body style="padding: 15px;">
  <div class="panel panel-primary">
    <div class="panel-heading">
      <h3 class="panel-title">添加新图书</h3>
    </div>
    <div class="panel-body form-inline">

      <div class="input-group">
        <div class="input-group-addon">书名</div>
        <input type="text" class="form-control" id="iptBookname" placeholder="请输入书名">
      </div>

      <div class="input-group">
        <div class="input-group-addon">作者</div>
        <input type="text" class="form-control" id="iptAuthor" placeholder="请输入作者">
      </div>

      <div class="input-group">
        <div class="input-group-addon">出版社</div>
        <input type="text" class="form-control" id="iptPublisher" placeholder="请输入出版社">
      </div>

      <button id="btnAdd" class="btn btn-primary">添加</button>

    </div>
  </div>
  <table class="table table-bordered table-hover">
    <thead>
      <tr>
        <th>Id</th>
        <th>书名</th>
        <th>作者</th>
        <th>出版社</th>
        <th>操作</th>
      </tr>
    </thead>
    <tbody id="tb"></tbody>
  </table>

  <script src="./lib/jquery.js"></script>
  <script>
    function getBookList() {
      $.ajax({
        type: 'GET',
        url: 'http://www.liulongbin.top:3006/api/getbooks',
        success: function(res) {
          if(res.status !== 200) {
            return
          }

          let str = ''

          res.data.forEach(item => {
            str += `<tr>
              <td>${item.id}</td>
              <td>${item.bookname}</td>
              <td>${item.author}</td>
              <td>${item.publisher}</td>
              <td><a href="javascript:;" class="delete-book" data-id="${item.id}">删除</a></td>
            </tr>`
          })

          $('#tb').html(str)
        }
      })
    }
    getBookList()

    $('#tb').on('click', '.delete-book', function() {
      let id = $(this).attr('data-id') - 0

      $.ajax({
        type: 'get',
        url: 'http://www.liulongbin.top:3006/api/delbook',
        data: {
          // id: id  // es5写法
          id  // es6 健值相同， 就可以写简写
        },
        success: function(res) {
          getBookList()
        }
      })
    })

    $('.btn-primary').on('click', function() {
      let bookname = $('#iptBookname').val().trim(), 
        author =  $('#iptAuthor').val().trim(), 
        publisher = $('#iptPublisher').val().trim()

      if(bookname.length === 0 || author.length === 0 || publisher.length === 0) {
        return alert('请填写完整信息')
      }

      $.ajax({
        type: 'POST',
        url: 'http://www.liulongbin.top:3006/api/addbook',
        data: {
          bookname,
          author,
          publisher,
        },
        success: function(res) {
          if(res.status !== 201) {
            return 
          }

          getBookList()
          $('#iptBookname').val('')
          $('#iptAuthor').val('')
          $('#iptPublisher').val('')
        }
      })
    })
  </script>
</body>

</html>